Click on the third or sixth rank to set the en passant target square.

EGTB: draw

# move score
1 Rb8 draw
2 Rc8 draw
3 Rd8 draw
4 Re8 draw
5 Rf8 draw
6 Rh1 draw
7 Rh2 draw
8 Rh3 draw
9 Rh4 draw
10 Rh5 draw
11 Ka1 loss in 2 half-moves
12 Ka2 loss in 2 half-moves
13 Kb2 loss in 2 half-moves
14 Kc1 loss in 2 half-moves
15 Kc2 loss in 2 half-moves
16 Ra8 loss in 2 half-moves
17 Rg8 loss in 2 half-moves
18 Rh6 loss in 2 half-moves
19 Rh7 loss in 2 half-moves